ninalanae11 ninalanae11

31-05-2018
Mathematics

contestada

Can someone help please?
A) 4cm
B) 21cm
C)13.2cm
D)10.7cm

Can someone help please A 4cm B 21cm C132cm D107cm class=

Respuesta :

JoshEast JoshEast

01-06-2018

sin θ = [tex] \frac{opp}{hyp} [/tex]

If θ = 51° ; opp = QR ; hyp = 17 cm

Then sin 51° = [tex] \frac{QR}{17cm} [/tex]

⇒ QR = (sin 51°) (17 cm)
= 13.21 cm

∴ the answer is OPTION C

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